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Periodic Table of Elements Atomic Numbers #1-20

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balozede's version from 2017-02-02 11:35

Section 1

Question Answer
1 hydrogenH
2 heliumHE
3 LithiumLi
4 berylliumBe
5 boronB
6 carbonC
7 nitrogenN
8 oxygenO
9 fluorineF
10 neonNe
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Section 2

Question Answer
11 sodiumNa
12 MagnesiumMg
13 aluminiumAl
14 siliconSi
15 phosphorusP
16 sulfurS
17 chlorineCl
18 argonAr
19 potassiumK
20 calciumCa
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